# PhysicalProperties（ロブロックス データ型）

> Describes properties that affect the physical behavior of a BasePart.

- URL：https://roblox.minecraft-okinawa.com/reference/datatypes/PhysicalProperties/
- 公式：https://create.roblox.com/docs/reference/engine/datatypes/PhysicalProperties

## コンストラクター

- `PhysicalProperties.new(material: Material)`：Returns a PhysicalProperties with the default properties for the given material.
- `PhysicalProperties.new(density: number, friction: number, elasticity: number)`：Returns a PhysicalProperties with the specified density, friction, and elasticity.
- `PhysicalProperties.new(density: number, friction: number, elasticity: number, frictionWeight: number, elasticityWeight: number)`：Creates a PhysicalProperties container with the specified density, friction, elasticity, weight of friction, and weight of elasticity.
- `PhysicalProperties.new(density: number, friction: number, elasticity: number, frictionWeight: number, elasticityWeight: number, acousticAbsorption: number)`：Creates a PhysicalProperties container with the specified density, friction, elasticity, weight of friction, weight of elasticity, and acoustic absorption.

## プロパティ

- `PhysicalProperties.AcousticAbsorption: number`：A value between 0 and 1 denoting how absorbent the material is to Class.AudioEmitter|AudioEmitters.
- `PhysicalProperties.Density: number`：The mass per unit volume of the part.
- `PhysicalProperties.Friction: number`：The deceleration of the part when rubbing against another part.
- `PhysicalProperties.Elasticity: number`：The amount of energy retained when colliding with another part.
- `PhysicalProperties.FrictionWeight: number`：The importance of the part's Datatype.PhysicalProperties.Friction|Friction property when calculating the friction with the colliding part.
- `PhysicalProperties.ElasticityWeight: number`：The importance of the part's Datatype.PhysicalProperties.Elasticity|Elasticity property when calculating the elasticity with the colliding part.

英語の説明とメンバー一覧：Roblox Creator Documentation（CC BY 4.0）。日本語の解説はこのサイト独自のものです。

執筆：鈴木孝昌（現役プロジェクトマネージャー／プログラミング講師）／運営：沖縄マイクラ部 プログラミングスクール「クロスウェーブ」（https://minecraft-okinawa.com/）